The Life Cycle of Stars

Our sun is among the most massive stars in our galaxy.

• true

• false

A neutron star is an extremely dense ball of neutrons.

• true

• false

Astronomers use the H-R diagram to predict when comets will travel close to Earth.

• true

• false

Tags

NGSS.HS-ESS1-4

Stars develop from white dwarfs.

• true

• false

Tags

NGSS.HS-ESS1-3

As part of its normal life cycle, a massive star becomes a _.

• white dwarf

• red dwarf

• supernova

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

A _ is a large cloud of gas and dust.

• nebulae

• nebula

The densest regions, which are called dense cores, form new stars.

• true

• false

Tags

NGSS.HS-ESS1-3

Low-mass stars, including our _, grow larger and become giants.

• moon

• sun

• galaxy

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

A _ is the hot, dense core of matter than remains from the collapse of a low-mass star.

• red dwarf

• supernova

• white dwarf

High-mass stars become _ rather than giants.

• red dwarfs

• supernovas

• supergiants

Tags

NGSS.HS-ESS1-3